Scrap material preheating apparatus
US4470804A · kind A · utility
14Cited by
3References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1982 |
| Grant date | Sep 11, 1984 |
| Priority date | — |
| Expiry date | Nov 29, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S266/901
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
Apparatus for preheating scrap material, e.g. scrap metal, comprises heaters, such as air preheaters, scrap containers and air or gas conduits for conveying heated gas from the heaters to the scrap container(s) and back from the scrap container(s). The apparatus is characterized in that the conduit to the scrap container(s) is provided with valve means for diverting the flow of hot air or gas to the container(s), for example during replacement of container(s).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.